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EP0868069A3 - Digital multi-functional machine capable of photocopying, printing and transmitting facsimile images - Google Patents

Digital multi-functional machine capable of photocopying, printing and transmitting facsimile images Download PDF

Info

Publication number
EP0868069A3
EP0868069A3 EP98105631A EP98105631A EP0868069A3 EP 0868069 A3 EP0868069 A3 EP 0868069A3 EP 98105631 A EP98105631 A EP 98105631A EP 98105631 A EP98105631 A EP 98105631A EP 0868069 A3 EP0868069 A3 EP 0868069A3
Authority
EP
European Patent Office
Prior art keywords
printing
digital multi
photocopying
prints
image data
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Withdrawn
Application number
EP98105631A
Other languages
German (de)
French (fr)
Other versions
EP0868069A2 (en
Inventor
Hajime Ichimura
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Ricoh Co Ltd
Original Assignee
Ricoh Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Ricoh Co Ltd filed Critical Ricoh Co Ltd
Publication of EP0868069A2 publication Critical patent/EP0868069A2/en
Publication of EP0868069A3 publication Critical patent/EP0868069A3/en
Withdrawn legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N1/00—Scanning, transmission or reproduction of documents or the like, e.g. facsimile transmission; Details thereof
    • H04N1/41—Bandwidth or redundancy reduction
    • H04N1/411—Bandwidth or redundancy reduction for the transmission or storage or reproduction of two-tone pictures, e.g. black and white pictures
    • H04N1/413—Systems or arrangements allowing the picture to be reproduced without loss or modification of picture-information
    • H04N1/415—Systems or arrangements allowing the picture to be reproduced without loss or modification of picture-information in which the picture-elements are subdivided or grouped into fixed one-dimensional or two-dimensional blocks
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T9/00—Image coding
    • G06T9/005—Statistical coding, e.g. Huffman, run length coding
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N1/00—Scanning, transmission or reproduction of documents or the like, e.g. facsimile transmission; Details thereof
    • H04N1/40—Picture signal circuits

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Storing Facsimile Image Data (AREA)
  • Compression Of Band Width Or Redundancy In Fax (AREA)
  • Facsimiles In General (AREA)
  • Editing Of Facsimile Originals (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Image Processing (AREA)
  • Record Information Processing For Printing (AREA)

Abstract

A digital multi-functional machine and method are disclosed, having at least one of picture reading, printing, and facsimile transmission capabilities, and including a printer for making visible prints in response to a demand for image prints and prints of facsimile transmission. The machine is provided with a data storage unit which is capable of storing image data either in predetermined block unit of pixels for binary image data, or in the form coded by a fixed length block truncation encoder by the block unit of pixels for multiple valued image data.
EP98105631A 1997-03-27 1998-03-27 Digital multi-functional machine capable of photocopying, printing and transmitting facsimile images Withdrawn EP0868069A3 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP9075795A JPH10271299A (en) 1997-03-27 1997-03-27 Digital copying machine
JP7579597 1997-03-27
JP75795/97 1997-03-27

Publications (2)

Publication Number Publication Date
EP0868069A2 EP0868069A2 (en) 1998-09-30
EP0868069A3 true EP0868069A3 (en) 2000-05-24

Family

ID=13586508

Family Applications (1)

Application Number Title Priority Date Filing Date
EP98105631A Withdrawn EP0868069A3 (en) 1997-03-27 1998-03-27 Digital multi-functional machine capable of photocopying, printing and transmitting facsimile images

Country Status (5)

Country Link
US (1) US6219147B1 (en)
EP (1) EP0868069A3 (en)
JP (1) JPH10271299A (en)
KR (1) KR100361766B1 (en)
CN (1) CN1133316C (en)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3843581B2 (en) * 1998-03-05 2006-11-08 富士ゼロックス株式会社 Image encoding device, image decoding device, image processing device, image encoding method, image decoding method, and image processing method
US7212677B2 (en) 2000-01-11 2007-05-01 Minolta Co., Ltd. Coder, coding method, program, and image forming apparatus for improving image data compression ratio
US6744536B2 (en) * 2001-01-22 2004-06-01 Xerox Corporation Document scanner having replaceable backing and automatic selection of registration parameters
US7456992B2 (en) 2002-07-12 2008-11-25 Sharp Kabushiki Kaisha Image processing device
JP3852452B2 (en) * 2004-03-16 2006-11-29 ソニー株式会社 Image data storage method and image processing apparatus
US20060044576A1 (en) * 2004-07-30 2006-03-02 Kabushiki Kaisha Toshiba Apparatus for image processing
KR100706016B1 (en) * 2005-04-16 2007-04-11 삼성전자주식회사 Multi-functional Printer having compact structure
US7720018B2 (en) * 2005-04-21 2010-05-18 Microsoft Corporation Low power transmission provisioning for wireless network devices
KR101281198B1 (en) * 2006-09-12 2013-07-03 삼성전자주식회사 Scanning apparatus and image forming apparatus having the same
US10380969B2 (en) * 2016-02-28 2019-08-13 Google Llc Macro I/O unit for image processor

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0507601A2 (en) * 1991-04-04 1992-10-07 Canon Kabushiki Kaisha Image processing method and apparatus
US5220440A (en) * 1990-10-10 1993-06-15 Fuji Xerox Co., Ltd. Data compression method having a fixed ratio of compression for image data, and image data compression device
US5414527A (en) * 1991-08-14 1995-05-09 Fuji Xerox Co., Ltd. Image encoding apparatus sensitive to tone variations
US5416606A (en) * 1989-12-21 1995-05-16 Canon Kabushiki Kaisha Method and apparatus for encoding or decoding an image in accordance with image characteristics
EP0708551A2 (en) * 1994-10-18 1996-04-24 Fuji Xerox Co., Ltd. Image signal coding apparatus with switching between variable-length coding and fixed-length coding

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5838455A (en) * 1919-05-11 1998-11-17 Minolta Co., Ltd. Image processor with image data compression capability
US5761342A (en) * 1991-04-16 1998-06-02 Canon Kabushiki Kaisha Image processing apparatus and method
US5872636A (en) * 1991-11-01 1999-02-16 Canon Kabushiki Kaisha Flexible resolution control and matching in image processing
JPH0628434A (en) * 1992-07-09 1994-02-04 Canon Inc Information processor
JPH07327134A (en) * 1994-05-31 1995-12-12 Canon Inc Image processor and its method
JPH0844875A (en) * 1994-08-03 1996-02-16 Canon Inc Encoding processor
US5682249A (en) * 1995-05-11 1997-10-28 Xerox Corporation Method of encoding an image at full resolution for storing in a reduced image buffer

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5416606A (en) * 1989-12-21 1995-05-16 Canon Kabushiki Kaisha Method and apparatus for encoding or decoding an image in accordance with image characteristics
US5220440A (en) * 1990-10-10 1993-06-15 Fuji Xerox Co., Ltd. Data compression method having a fixed ratio of compression for image data, and image data compression device
EP0507601A2 (en) * 1991-04-04 1992-10-07 Canon Kabushiki Kaisha Image processing method and apparatus
US5414527A (en) * 1991-08-14 1995-05-09 Fuji Xerox Co., Ltd. Image encoding apparatus sensitive to tone variations
EP0708551A2 (en) * 1994-10-18 1996-04-24 Fuji Xerox Co., Ltd. Image signal coding apparatus with switching between variable-length coding and fixed-length coding

Also Published As

Publication number Publication date
CN1133316C (en) 2003-12-31
KR100361766B1 (en) 2003-02-19
EP0868069A2 (en) 1998-09-30
CN1202066A (en) 1998-12-16
JPH10271299A (en) 1998-10-09
US6219147B1 (en) 2001-04-17

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